Finding the Fourth Proportional to 362.19, 543.16 and 118.68
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Solution
The fourth proportional to 362.19, 543.16 and 118.68 is: 177.98
Step by Step Solution
- Step 1: Write the proportion equation
362.19 : 543.16 = 118.68 : x - Step 2: Convert to fraction form
362.19/543.16 = 118.68/x - Step 3: Cross multiply
362.19x = 543.16 × 118.68 - Step 4: Simplify right side
362.19x = 64,462.23 - Step 5: Solve for x
x = 64,462.23/362.19 - Step 6: Final answer
x = 177.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.